Friday Harbor Airport Weather Forecast

    • 42
    • 54

    Increasing Clouds

    • 47
    • 54

    Rain

    • 43
    • 57

    Rain

    • 41
    • 55

    Slight Chance Rain Showers

    • 42
    • 53

    Rain Likely

    • 45
    • 56

    Rain

    • 46
    • 57

    Rain

Today 30 Oct San Juan County

Mostly cloudy. Highs in the 50s. Light wind becoming north to 10 Mph in the afternoon.

Tonight 30 Oct San Juan County

Partly cloudy in the evening then becoming mostly cloudy. Lows in the 40s. Light wind becoming southeast to 10 Mph after midnight.

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  • Temperature Real-Time

Friday Harbor Airport Temperature Statistics

October Temperature

Friday Harbor Airport (0 miles)

  • Lowest 15 October, 2025

    37 °F

  • Average October

    50.8 °F

  • Highest 5 October, 2025

    64.9 °F

Climate (2020–Present)

Friday Harbor Airport (0 miles)

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  • Average Low 2020–2025

    44.3 °F

  • Average 2020–2025

    51.8 °F

  • Average High 2020–2025

    59.6 °F
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